<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) in pages" :key="index">
        <div
          class="icon"
          v-for="item in page"
          :key="item.id"
        >
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default{
  name: 'HomeIcons',
  data () {
    return {
      swiperOption: {
        autoplay: false}
    }
  },
  props: {
    list: Array
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style type="text/css" lang="scss" scoped>
  .icons /deep/ .swiper-container {
    /*overflow: hidden;*/
    height: 0;
    padding-bottom: 50%;
  }

  .icons {
    /*width: 100%;*/
    /*overflow: hidden;*/
    /*height: 0;*/
    /*padding-bottom: 50%;*/
    margin-top:.2rem;
    .icon {
      position: relative;
      overflow: hidden;
      width: 25%;
      height: 0;
      float: left;
      padding-bottom: 25%;
      .icon-img {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: .44rem;
        box-sizing: border-box;
        padding: 0.1rem;
        .icon-img-content {
          height: 100%;
          display: block;
          margin: 0 auto;
        }
      }
      .icon-desc {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        text-align: center;
        line-height: .44rem;
        height: .44rem;
        color: $darkTextColor;
        @extend %ellipsisText;
      }

    }
  }
</style>
